Extech’s Big Digit Thermometer simultaneously displays indoor and outdoor temperatures plus it has a user programmable High and Low alarm for outdoor (external probe) temperature. Its wired external weatherproof probe with a 9.6ft (3m) thin cable can easy be installed through windows, doors, or any small openings leading to outdoors or inside a refrigerator/freezer or temperature controlled areas/rooms. Internal memory stores Min/Max readings over time. Thermometer includes a built-in stand for desktop display and mounting bracket for wall display.

 ◆ Large LCD with easy-to-read 1" (25mm) digit size

 ◆ Temperature Range:

     Indoor (built-in sensor): 14 to 140°F (-10 to 60°C)

     Outdoor (external probe): -58 to 158°F (-50 to 70°C)

 ◆ 0.1°F/°C resolution and basic accuracy of ±1.8°F (±1°C)

 ◆ User programmable High/Low audible alarms for Outdoor Temperature

 ◆ Memory stores Min/Max readings

 ◆ Water resistant/splash proof sensor with 9.6ft (3m) of thin cable for remote temperature measurements

 ◆ Dimensions: 4.4 x 4 x 0.9" (112 x 102 x 22mm)

 ◆ Weight: 6.5oz (186g)

 ◆ Complete with internal and attached remote temperature sensor with cable, built-in stand, AAA battery, and wall mounting bracket